Global
Set up authenticator
Require an authenticator code on sign in
Account management
Add or remove the mail accounts connected to Heimdal.
Manage
Settings for
Rich HTML rendering
Render a message's actual HTML — links, formatting, layout. When off, every message shows as plain text instead.
Automatically load images
A remote image can act as a tracking pixel, revealing your IP and when you opened the message.
Tidy plain-text emailsAI
AI-assisted cleanup of noisy plain-text emails — stripping tracking clutter and layout junk while keeping the actual message.
Theme
Pick a terminal color scheme for the whole app
Personalized memory
What Heimdal has learned about how you handle mail, based on your Feed actions
View
Enable notifications
Get a phone notification when something worth seeing lands in your Feed